package chapter4.Example31;
public class Example31 {
    public static void main(String[] args) {
        try{
            int result = divide(4,-2);
            System.out.println(result);
        }catch(DivideByMinusException e) {
            System.out.println(e.getMessage());
        }
    }
    public static int divide(int x, int y) throws DivideByMinusException {
        if (y < 0) {
            throw new DivideByMinusException("除数是负数");
        }
       int result = x / y;
        return result;
    }
}
